@mixin flexCenter{
    display:flex;
    align-items: center;
}
$colors:(
    bg:#00bcd4,
    text-color:#333,
    primary:#00bcd4,
);
@function color($key){
    @if map-has-key($colors,$key){
        @return map-get($colors,$key);
    }
    @warn "Unknow `#{$key}` in $colors";
    @return null;
}
    
